diff options
| author | wdenk <wdenk> | 2002-11-03 00:24:07 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2002-11-03 00:24:07 +0000 | 
| commit | c609719b8d1b2dca590e0ed499016d041203e403 (patch) | |
| tree | 7ea1755d80903ff972f312a249eb856061d40e15 /common/cmd_pcmcia.c | |
| parent | 5b1d713721c3ea02549940133f09236783dda1f9 (diff) | |
| download | olio-uboot-2014.01-c609719b8d1b2dca590e0ed499016d041203e403.tar.xz olio-uboot-2014.01-c609719b8d1b2dca590e0ed499016d041203e403.zip | |
Initial revision
Diffstat (limited to 'common/cmd_pcmcia.c')
| -rw-r--r-- | common/cmd_pcmcia.c | 2243 | 
1 files changed, 2243 insertions, 0 deletions
| diff --git a/common/cmd_pcmcia.c b/common/cmd_pcmcia.c new file mode 100644 index 000000000..ccf21a994 --- /dev/null +++ b/common/cmd_pcmcia.c @@ -0,0 +1,2243 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * + * Lots of code copied from: + * + * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series. + * (C) 1999-2000 Magnus Damm <damm@bitsmart.com> + * + * "The ExCA standard specifies that socket controllers should provide + * two IO and five memory windows per socket, which can be independently + * configured and positioned in the host address space and mapped to + * arbitrary segments of card address space. " - David A Hinds. 1999 + * + * This controller does _not_ meet the ExCA standard. + * + * m8xx pcmcia controller brief info: + * + 8 windows (attrib, mem, i/o) + * + up to two slots (SLOT_A and SLOT_B) + * + inputpins, outputpins, event and mask registers. + * - no offset register. sigh. + * + * Because of the lacking offset register we must map the whole card. + * We assign each memory window PCMCIA_MEM_WIN_SIZE address space. + * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO + * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE. + * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE. + * They are maximum 64KByte each... + */ + +/* #define DEBUG	1	*/ + +/* + * PCMCIA support + */ +#include <common.h> +#include <command.h> +#include <config.h> +#include <pcmcia.h> +#include <cmd_pcmcia.h> +#if defined(CONFIG_IDE_8xx_PCCARD) && defined(CONFIG_8xx) +#include <mpc8xx.h> +#endif +#if defined(CONFIG_LWMON) +#include <i2c.h> +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) || \ +    ((CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)) + +int pcmcia_on (void); + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int  pcmcia_off (void); +static int  hardware_disable(int slot); +#endif +static int  hardware_enable (int slot); +static int  voltage_set(int slot, int vcc, int vpp); +#ifdef CONFIG_IDE_8xx_PCCARD +static void print_funcid (int func); +static void print_fixed  (volatile uchar *p); +static int  identify     (volatile uchar *p); +static int  check_ide_device (void); +#endif	/* CONFIG_IDE_8xx_PCCARD */ + +static u_int m8xx_get_graycode(u_int size); +#if 0 +static u_int m8xx_get_speed(u_int ns, u_int is_io); +#endif + +/* ------------------------------------------------------------------------- */ + +/* look up table for pgcrx registers */ + +static u_int *pcmcia_pgcrx[2] = { +	&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcra, +	&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb, +}; + +#define PCMCIA_PGCRX(slot)	(*pcmcia_pgcrx[slot]) + +const char *indent = "\t   "; + +/* ------------------------------------------------------------------------- */ + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) + +int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ +	int rcode = 0; + +	if (argc != 2) { +		printf ("Usage: pinit {on | off}\n"); +		return 1; +	} +	if (strcmp(argv[1],"on") == 0) { +	     	rcode = pcmcia_on (); +	} else if (strcmp(argv[1],"off") == 0) { +		rcode = pcmcia_off (); +	} else { +		printf ("Usage: pinit {on | off}\n"); +		return 1; +	} + +	return rcode; +} +#endif	/* CFG_CMD_PCMCIA */ + +/* ------------------------------------------------------------------------- */ + +#if defined(CONFIG_LWMON) +# define  CFG_PCMCIA_TIMING	(PCMCIA_SHT(9) | PCMCIA_SST(3) | PCMCIA_SL(12)) +#else +# define  CFG_PCMCIA_TIMING	(PCMCIA_SHT(2) | PCMCIA_SST(4) | PCMCIA_SL(9)) +#endif + +int pcmcia_on (void) +{ +	int i; +	u_long reg, base; +	pcmcia_win_t *win; + +	debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); + +	/* intialize the fixed memory windows */ +	win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); +	base = CFG_PCMCIA_MEM_ADDR; + +	if((reg = m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE)) == -1) { +		printf ("Cannot set window size to 0x%08x\n", +			CFG_PCMCIA_MEM_SIZE); +		return (1); +	} + +	for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { +		win->br = base; + +		switch (i) { +#ifdef CONFIG_IDE_8xx_PCCARD +		case 0:	{	/* map attribute memory */ +			win->or = (	PCMCIA_BSIZE_64M +				|	PCMCIA_PPS_8 +				|	PCMCIA_PRS_ATTR +				|	PCMCIA_SLOT_x +				|	PCMCIA_PV +				|	CFG_PCMCIA_TIMING ); +			break; +		    } + +		case 1: {	/* map I/O window for data reg */ +			win->or = (	PCMCIA_BSIZE_1K +				|	PCMCIA_PPS_16 +				|	PCMCIA_PRS_IO +				|	PCMCIA_SLOT_x +				|	PCMCIA_PV +				|	CFG_PCMCIA_TIMING ); +			break; +		    } + +		case 2: {	/* map I/O window for command/ctrl reg block */ +			win->or = (	PCMCIA_BSIZE_1K +				|	PCMCIA_PPS_8 +				|	PCMCIA_PRS_IO +				|	PCMCIA_SLOT_x +				|	PCMCIA_PV +				|	CFG_PCMCIA_TIMING ); +			break; +		    } +#endif	/* CONFIG_IDE_8xx_PCCARD */ +		default:	/* set to not valid */ +			win->or = 0; +			break; +		} + +		debug ("MemWin %d: PBR 0x%08lX  POR %08lX\n", +			i, win->br, win->or); +		base += CFG_PCMCIA_MEM_SIZE; +		++win; +	} + +	/* turn off voltage */ +	if (voltage_set(_slot_, 0, 0)) +		return (1); + +	/* Enable external hardware */ +	if (hardware_enable(_slot_)) +		return (1); + +#ifdef CONFIG_IDE_8xx_PCCARD +	if (check_ide_device()) +		return (1); +#endif +	return (0); +} + +/* ------------------------------------------------------------------------- */ + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) + +static int pcmcia_off (void) +{ +	int i; +	pcmcia_win_t *win; + +	printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); + +	/* clear interrupt state, and disable interrupts */ +	((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pscr =  PCMCIA_MASK(_slot_); +	((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* turn off interrupt and disable CxOE */ +	PCMCIA_PGCRX(_slot_) = __MY_PCMCIA_GCRX_CXOE; + +	/* turn off memory windows */ +	win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); + +	for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { +		/* disable memory window */ +		win->or = 0; +		++win; +	} + +	/* turn off voltage */ +	voltage_set(_slot_, 0, 0); + +	/* disable external hardware */ +	printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG "\n"); +	hardware_disable(_slot_); +	return 0; +} + +#endif	/* CFG_CMD_PCMCIA */ + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_IDE_8xx_PCCARD + +#define	MAX_TUPEL_SZ	512 +#define MAX_FEATURES	4 + +static int check_ide_device (void) +{ +	volatile uchar *ident = NULL; +	volatile uchar *feature_p[MAX_FEATURES]; +	volatile uchar *p, *start; +	int n_features = 0; +	uchar func_id = ~0; +	uchar code, len; +	ushort config_base = 0; +	int found = 0; +	int i; + +	debug ("PCMCIA MEM: %08X\n", CFG_PCMCIA_MEM_ADDR); + +	start = p = (volatile uchar *) CFG_PCMCIA_MEM_ADDR; + +	while ((p - start) < MAX_TUPEL_SZ) { + +		code = *p; p += 2; + +		if (code == 0xFF) { /* End of chain */ +			break; +		} + +		len = *p; p += 2; +#if defined(DEBUG) && (DEBUG > 1) +		{ volatile uchar *q = p; +			printf ("\nTuple code %02x  length %d\n\tData:", +				code, len); + +			for (i = 0; i < len; ++i) { +				printf (" %02x", *q); +				q+= 2; +			} +		} +#endif	/* DEBUG */ +		switch (code) { +		case CISTPL_VERS_1: +			ident = p + 4; +			break; +		case CISTPL_FUNCID: +			/* Fix for broken SanDisk which may have 0x80 bit set */ +			func_id = *p & 0x7F; +			break; +		case CISTPL_FUNCE: +			if (n_features < MAX_FEATURES) +				feature_p[n_features++] = p; +			break; +		case CISTPL_CONFIG: +			config_base = (*(p+6) << 8) + (*(p+4)); +			debug ("\n## Config_base = %04x ###\n", config_base); +		default: +			break; +		} +		p += 2 * len; +	} + +	found = identify (ident); + +	if (func_id != ((uchar)~0)) { +		print_funcid (func_id); + +		if (func_id == CISTPL_FUNCID_FIXED) +			found = 1; +		else +			return (1);	/* no disk drive */ +	} + +	for (i=0; i<n_features; ++i) { +		print_fixed (feature_p[i]); +	} + +	if (!found) { +		printf ("unknown card type\n"); +		return (1); +	} + +	/* set I/O area in config reg -> only valid for ARGOSY D5!!! */ +	*((uchar *)(CFG_PCMCIA_MEM_ADDR + config_base)) = 1; + +	return (0); +} +#endif	/* CONFIG_IDE_8xx_PCCARD */ + +/* ------------------------------------------------------------------------- */ + + +/* ---------------------------------------------------------------------------- */ +/* board specific stuff:							*/ +/* voltage_set(), hardware_enable() and hardware_disable()			*/ +/* ---------------------------------------------------------------------------- */ + +/* ---------------------------------------------------------------------------- */ +/* RPX Boards from Embedded Planet						*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) + +/* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks. + * SYPCR is write once only, therefore must the slowest memory be faster + * than the bus monitor or we will get a machine check due to the bus timeout. + */ + +#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" + +#undef PCMCIA_BMT_LIMIT +#define PCMCIA_BMT_LIMIT (6*8) + +static int voltage_set(int slot, int vcc, int vpp) +{ +	u_long reg = 0; + +	switch(vcc) { +	case 0: break; +	case 33: reg |= BCSR1_PCVCTL4; break; +	case 50: reg |= BCSR1_PCVCTL5; break; +	default: return 1; +	} + +	switch(vpp) { +	case 0: break; +	case 33: +	case 50: +		if(vcc == vpp) +			reg |= BCSR1_PCVCTL6; +		else +			return 1; +		break; +	case 120: +		reg |= BCSR1_PCVCTL7; +	default: return 1; +	} + +	if(vcc == 120) +	   return 1; + +	/* first, turn off all power */ + +	*((uint *)RPX_CSR_ADDR) &= ~(BCSR1_PCVCTL4 | BCSR1_PCVCTL5 +				     | BCSR1_PCVCTL6 | BCSR1_PCVCTL7); + +	/* enable new powersettings */ + +	*((uint *)RPX_CSR_ADDR) |= reg; + +	return 0; +} + +#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V +static int hardware_enable (int slot) +{ +	return 0;	/* No hardware to enable */ +} +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	return 0;	/* No hardware to disable */ +} +#endif	/* CFG_CMD_PCMCIA */ +#endif	/* CONFIG_RPXCLASSIC */ + +/* ---------------------------------------------------------------------------- */ +/* (F)ADS Boards from Motorola							*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_ADS) || defined(CONFIG_FADS) + +#ifdef CONFIG_ADS +#define PCMCIA_BOARD_MSG "ADS" +#define PCMCIA_GLITCHY_CD  /* My ADS board needs this */ +#else +#define PCMCIA_BOARD_MSG "FADS" +#endif + +static int voltage_set(int slot, int vcc, int vpp) +{ +	u_long reg = 0; + +	switch(vpp) { +	case 0: reg = 0; break; +	case 50: reg = 1; break; +	case 120: reg = 2; break; +	default: return 1; +	} + +	switch(vcc) { +	case 0: reg = 0; break; +#ifdef CONFIG_ADS +	case 50: reg = BCSR1_PCCVCCON; break; +#endif +#ifdef CONFIG_FADS +	case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; +	case 50: reg = BCSR1_PCCVCC1; break; +#endif +	default: return 1; +	} + +	/* first, turn off all power */ + +#ifdef CONFIG_ADS +	*((uint *)BCSR1) |= BCSR1_PCCVCCON; +#endif +#ifdef CONFIG_FADS +	*((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1); +#endif +	*((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; + +	/* enable new powersettings */ + +#ifdef CONFIG_ADS +	*((uint *)BCSR1) &= ~reg; +#endif +#ifdef CONFIG_FADS +	*((uint *)BCSR1) |= reg; +#endif + + 	*((uint *)BCSR1) |= reg << 20; + +	return 0; +} + +#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V + +static int hardware_enable(int slot) +{ +	*((uint *)BCSR1) &= ~BCSR1_PCCEN; +	return 0; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	*((uint *)BCSR1) &= ~BCSR1_PCCEN; +	return 0; +} +#endif	/* CFG_CMD_PCMCIA */ + +#endif	/* (F)ADS */ + +/* ---------------------------------------------------------------------------- */ +/* TQM8xxL Boards by TQ Components						*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_TQM8xxL) + +#define PCMCIA_BOARD_MSG "TQM8xxL" + + +static int hardware_enable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	volatile sysconf8xx_t	*sysp; +	uint reg, mask; + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	udelay(10000); + +	immap = (immap_t *)CFG_IMMR; +	sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* +	 * Configure SIUMCR to enable PCMCIA port B +	 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) +	 */ +	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */ + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX(_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Port C pins for +	 * 5 Volts Enable and 3 Volts enable +	 */ +	immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); +	immap->im_ioport.iop_pcso  &= ~(0x0002 | 0x0004); +	/* remove all power */ + +	immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); + +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay(10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On. +	 */ +	mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +	reg  = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		reg, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); +	if ((reg & mask) == mask) { +		immap->im_ioport.iop_pcdat |= 0x0004; +		puts (" 5.0V card found: "); +	} else { +		immap->im_ioport.iop_pcdat |= 0x0002; +		puts (" 3.3V card found: "); +	} +	immap->im_ioport.iop_pcdir |=  (0x0002 | 0x0004); +#if 0 +	/*  VCC switch error flag, PCMCIA slot INPACK_ pin */ +	cp->cp_pbdir &= ~(0x0020 | 0x0010); +	cp->cp_pbpar &= ~(0x0020 | 0x0010); +	udelay(500000); +#endif +	udelay(1000); +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + +	/* remove all power */ +	immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); + +	/* Configure PCMCIA General Control Register */ +	PCMCIA_PGCRX(_slot_) = 0; + +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(10000); + +	return (0); +} +#endif	/* CFG_CMD_PCMCIA */ + + + +static int voltage_set(int slot, int vcc, int vpp) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("voltage_set: " +		PCMCIA_BOARD_MSG +		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Port C pins for +	 * 5 Volts Enable and 3 Volts enable, +	 * Turn off all power +	 */ +	debug ("PCMCIA power OFF\n"); +	immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); +	immap->im_ioport.iop_pcso  &= ~(0x0002 | 0x0004); +	immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); + +	reg = 0; +	switch(vcc) { +	case  0: 		break; +	case 33: reg |= 0x0002;	break; +	case 50: reg |= 0x0004;	break; +	default: 		goto done; +	} + +	/* Checking supported voltages */ + +	debug ("PIPR: 0x%x --> %s\n", +		pcmp->pcmc_pipr, +		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +	immap->im_ioport.iop_pcdat |= reg; +	immap->im_ioport.iop_pcdir |=  (0x0002 | 0x0004); +	if (reg) { +		debug ("PCMCIA powered at %sV\n", +			(reg&0x0004) ? "5.0" : "3.3"); +	} else { +		debug ("PCMCIA powered down\n"); +	} + +done: +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", +		slot+'A'); +	return (0); +} + +#endif	/* TQM8xxL */ + + +/* ---------------------------------------------------------------------------- */ +/* LWMON Board									*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_LWMON) + +#define PCMCIA_BOARD_MSG "LWMON" + +/* #define's for MAX1604 Power Switch */ +#define MAX1604_OP_SUS		0x80 +#define MAX1604_VCCBON		0x40 +#define MAX1604_VCC_35		0x20 +#define MAX1604_VCCBHIZ		0x10 +#define MAX1604_VPPBON		0x08 +#define MAX1604_VPPBPBPGM	0x04 +#define MAX1604_VPPBHIZ		0x02 +/* reserved			0x01	*/ + +static int hardware_enable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	volatile sysconf8xx_t	*sysp; +	uint reg, mask; +	uchar val; + + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	/* Switch on PCMCIA port in PIC register 0x60 */ +	reg = pic_read  (0x60); +	debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +	reg &= ~0x10; +	/* reg |=  0x08; Vpp not needed */ +	pic_write (0x60, reg); +#ifdef DEBUG +	reg = pic_read  (0x60); +	printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +#endif +	udelay(10000); + +	immap = (immap_t *)CFG_IMMR; +	sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* +	 * Configure SIUMCR to enable PCMCIA port B +	 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) +	 */ +	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */ + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX(_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay(10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On. +	 */ +	mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +	reg  = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		reg, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); +	if ((reg & mask) == mask) { +		val = 0;		/* VCCB3/5 = 0 ==> use Vx = 5.0 V */ +		puts (" 5.0V card found: "); +	} else { +		val = MAX1604_VCC_35;	/* VCCB3/5 = 1 ==> use Vy = 3.3 V */ +		puts (" 3.3V card found: "); +	} + +	/*  switch VCC on */ +	val |=  MAX1604_OP_SUS | MAX1604_VCCBON; +	i2c_init  (CFG_I2C_SPEED, CFG_I2C_SLAVE); +	i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + +	udelay(500000); + +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; +	uchar val; + +	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + +	/* remove all power, put output in high impedance state */ +	val  = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; +	i2c_init  (CFG_I2C_SPEED, CFG_I2C_SLAVE); +	i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + +	/* Configure PCMCIA General Control Register */ +	PCMCIA_PGCRX(_slot_) = 0; + +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	/* Switch off PCMCIA port in PIC register 0x60 */ +	reg = pic_read  (0x60); +	debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +	reg |=  0x10; +	reg &= ~0x08; +	pic_write (0x60, reg); +#ifdef DEBUG +	reg = pic_read  (0x60); +	printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +#endif +	udelay(10000); + +	return (0); +} +#endif	/* CFG_CMD_PCMCIA */ + + + +static int voltage_set(int slot, int vcc, int vpp) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; +	uchar val; + +	debug ("voltage_set: " +		PCMCIA_BOARD_MSG +		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Turn off all power (switch to high impedance) +	 */ +	debug ("PCMCIA power OFF\n"); +	val  = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; +	i2c_init  (CFG_I2C_SPEED, CFG_I2C_SLAVE); +	i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + +	val = 0; +	switch(vcc) { +	case  0: 			break; +	case 33: val = MAX1604_VCC_35;	break; +	case 50: 			break; +	default: 			goto done; +	} + +	/* Checking supported voltages */ + +	debug ("PIPR: 0x%x --> %s\n", +		pcmp->pcmc_pipr, +		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +	i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); +	if (val) { +		debug ("PCMCIA powered at %sV\n", +			(val & MAX1604_VCC_35) ? "3.3" : "5.0"); +	} else { +		debug ("PCMCIA powered down\n"); +	} + +done: +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", +		slot+'A'); +	return (0); +} + +#endif	/* LWMON */ + +/* ---------------------------------------------------------------------------- */ +/* GTH board by Corelatus AB                                                    */ +/* ---------------------------------------------------------------------------- */ +#if defined(CONFIG_GTH) + +#define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" + +static int voltage_set(int slot, int vcc, int vpp) +{  /* Do nothing */ +  return 0; +} + +static int hardware_enable (int slot) +{ +  volatile immap_t	*immap; +  volatile cpm8xx_t	*cp; +  volatile pcmconf8xx_t	*pcmp; +  volatile sysconf8xx_t	*sysp; +  uint reg, mask; + +  debug ("hardware_enable: GTH Slot %c\n", 'A'+slot); + +  immap = (immap_t *)CFG_IMMR; +  sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +  pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +  cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +  /* clear interrupt state, and disable interrupts */ +  pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +  pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +  /* disable interrupts & DMA */ +  PCMCIA_PGCRX(_slot_) = 0; + +  /* +   * Disable PCMCIA buffers (isolate the interface) +   * and assert RESET signal +   */ +  debug ("Disable PCMCIA buffers and assert RESET\n"); +  reg  =  PCMCIA_PGCRX(_slot_); +  reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +  reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +  PCMCIA_PGCRX(_slot_) = reg; +  udelay(500); + +  /* +   * Make sure there is a card in the slot, then configure the interface. +   */ +  udelay(10000); +  debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +  if (pcmp->pcmc_pipr & 0x98000000) { +    printf ("   No Card found\n"); +    return (1); +  } + +  mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +  reg  = pcmp->pcmc_pipr; +  debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		reg, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); + +  debug ("Enable PCMCIA buffers and stop RESET\n"); +  reg  =  PCMCIA_PGCRX(_slot_); +  reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +  reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +  PCMCIA_PGCRX(_slot_) = reg; + +  udelay(250000);	/* some cards need >150 ms to come up :-( */ + +  debug ("# hardware_enable done\n"); + +  return 0; +} +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	return 0;	/* No hardware to disable */ +} +#endif	/* CFG_CMD_PCMCIA */ +#endif	/* CONFIG_GTH */ + +/* ---------------------------------------------------------------------------- */ +/* ICU862 Boards by Cambridge Broadband Ltd.					*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_ICU862) + +#define PCMCIA_BOARD_MSG "ICU862" + +static void cfg_port_B (void); + +static int hardware_enable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	volatile sysconf8xx_t	*sysp; +	uint reg, pipr, mask; +	int i; + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	udelay(10000); + +	immap = (immap_t *)CFG_IMMR; +	sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* Configure Port B for TPS2205 PC-Card Power-Interface Switch */ +	cfg_port_B (); + +	/* +	 * Configure SIUMCR to enable PCMCIA port B +	 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) +	 */ +	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */ + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX(_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay(10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z +	 */ +	mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +	pipr = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		pipr, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); + +	reg  = cp->cp_pbdat; +	if ((pipr & mask) == mask) { +		reg |=  (TPS2205_VPP_PGM | TPS2205_VPP_VCC |	/* VAVPP => Hi-Z */ +			 TPS2205_VCC3);				/* 3V off	*/ +		reg &= ~(TPS2205_VCC5);				/* 5V on	*/ +		puts (" 5.0V card found: "); +	} else { +		reg |=  (TPS2205_VPP_PGM | TPS2205_VPP_VCC |	/* VAVPP => Hi-Z */ +			 TPS2205_VCC5);				/* 5V off	*/ +		reg &= ~(TPS2205_VCC3);				/* 3V on	*/ +		puts (" 3.3V card found: "); +	} + +	debug ("\nPB DAT: %08x -> 3.3V %s 5.0V %s VPP_PGM %s VPP_VCC %s\n", +		reg, +		(reg & TPS2205_VCC3)    ? "off" : "on", +		(reg & TPS2205_VCC5)    ? "off" : "on", +		(reg & TPS2205_VPP_PGM) ? "off" : "on", +		(reg & TPS2205_VPP_VCC) ? "off" : "on" ); + +	cp->cp_pbdat = reg; + +	/*  Wait 500 ms; use this to check for over-current */ +	for (i=0; i<5000; ++i) { +		if ((cp->cp_pbdat & TPS2205_OC) == 0) { +			printf ("   *** Overcurrent - Safety shutdown ***\n"); +			cp->cp_pbdat &= ~(TPS2205_SHDN); +			return (1); +		} +		udelay (100); +	} + +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	immap = (immap_t *)CFG_IMMR; +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + +	/* Shut down */ +	cp->cp_pbdat &= ~(TPS2205_SHDN); + +	/* Configure PCMCIA General Control Register */ +	PCMCIA_PGCRX(_slot_) = 0; + +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(10000); + +	return (0); +} +#endif	/* CFG_CMD_PCMCIA */ + + + +static int voltage_set(int slot, int vcc, int vpp) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("voltage_set: " +		PCMCIA_BOARD_MSG +		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + +	immap = (immap_t *)CFG_IMMR; +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Port C pins for +	 * 5 Volts Enable and 3 Volts enable, +	 * Turn all power pins to Hi-Z +	 */ +	debug ("PCMCIA power OFF\n"); +	cfg_port_B ();	/* Enables switch, but all in Hi-Z */ + +	reg  = cp->cp_pbdat; + +	switch(vcc) { +	case  0: 			break;	/* Switch off		*/ +	case 33: reg &= ~TPS2205_VCC3;	break;	/* Switch on 3.3V	*/ +	case 50: reg &= ~TPS2205_VCC5;	break;	/* Switch on 5.0V	*/ +	default: 			goto done; +	} + +	/* Checking supported voltages */ + +	debug ("PIPR: 0x%x --> %s\n", +		pcmp->pcmc_pipr, +		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +	cp->cp_pbdat = reg; + +#ifdef DEBUG +    { +	char *s; + +	if ((reg & TPS2205_VCC3) == 0) { +		s = "at 3.3V"; +	} else if ((reg & TPS2205_VCC5) == 0) { +		s = "at 5.0V"; +	} else { +		s = "down"; +	} +	printf ("PCMCIA powered %s\n", s); +    } +#endif + +done: +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", +		slot+'A'); +	return (0); +} + +static void cfg_port_B (void) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	uint reg; + +	immap = (immap_t *)CFG_IMMR; +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* +	 * Configure Port B for TPS2205 PC-Card Power-Interface Switch +	 * +	 * Switch off all voltages, assert shutdown +	 */ +	reg  = cp->cp_pbdat; +	reg |=  (TPS2205_VPP_PGM | TPS2205_VPP_VCC |	/* VAVPP => Hi-Z */ +		 TPS2205_VCC3    | TPS2205_VCC5    |	/* VAVCC => Hi-Z */ +		 TPS2205_SHDN);				/* enable switch */ +	cp->cp_pbdat = reg; + +	cp->cp_pbpar &= ~(TPS2205_INPUTS | TPS2205_OUTPUTS); + +	reg = cp->cp_pbdir & ~(TPS2205_INPUTS); +	cp->cp_pbdir = reg | TPS2205_OUTPUTS; + +	debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", +		cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); +} + +#endif	/* ICU862 */ + + +/* ---------------------------------------------------------------------------- */ +/* C2MON Boards by TTTech Computertechnik AG					*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_C2MON) + +#define PCMCIA_BOARD_MSG "C2MON" + +static void cfg_ports (void); + +static int hardware_enable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	volatile sysconf8xx_t	*sysp; +	uint reg, pipr, mask; +	ushort sreg; +	int i; + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	udelay(10000); + +	immap = (immap_t *)CFG_IMMR; +	sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ +	cfg_ports (); + +	/* +	 * Configure SIUMCR to enable PCMCIA port B +	 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) +	 */ +	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */ + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX(_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay(10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z +	 */ +	mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +	pipr = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		pipr, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); + +	sreg = immap->im_ioport.iop_pcdat; +	if ((pipr & mask) == mask) { +		sreg |=  (TPS2211_VPPD0 | TPS2211_VPPD1 |	/* VAVPP => Hi-Z */ +			  TPS2211_VCCD1);			/* 5V on	*/ +		sreg &= ~(TPS2211_VCCD0);			/* 3V off	*/ +		puts (" 5.0V card found: "); +	} else { +		sreg |=  (TPS2211_VPPD0 | TPS2211_VPPD1 |	/* VAVPP => Hi-Z */ +			  TPS2211_VCCD0);			/* 3V on	*/ +		sreg &= ~(TPS2211_VCCD1);			/* 5V off	*/ +		puts (" 3.3V card found: "); +	} + +	debug ("\nPC DAT: %04x -> 3.3V %s 5.0V %s\n", +		sreg, +		( (sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) ? "on" : "off", +		(!(sreg & TPS2211_VCCD0) &&  (sreg & TPS2211_VCCD1)) ? "on" : "off" +	); + +	immap->im_ioport.iop_pcdat = sreg; + +	/*  Wait 500 ms; use this to check for over-current */ +	for (i=0; i<5000; ++i) { +		if ((cp->cp_pbdat & TPS2211_OC) == 0) { +		    printf ("   *** Overcurrent - Safety shutdown ***\n"); +		    immap->im_ioport.iop_pcdat &= ~(TPS2211_VCCD0|TPS2211_VCCD1); +		    return (1); +		} +		udelay (100); +	} + +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	immap = (immap_t *)CFG_IMMR; +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + +	/* Configure PCMCIA General Control Register */ +	PCMCIA_PGCRX(_slot_) = 0; + +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	/* ALl voltages off / Hi-Z */ +	immap->im_ioport.iop_pcdat |= (TPS2211_VPPD0 | TPS2211_VPPD1 | +				       TPS2211_VCCD0 | TPS2211_VCCD1 ); + +	udelay(10000); + +	return (0); +} +#endif	/* CFG_CMD_PCMCIA */ + + + +static int voltage_set(int slot, int vcc, int vpp) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; +	ushort sreg; + +	debug ("voltage_set: " +		PCMCIA_BOARD_MSG +		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + +	immap = (immap_t *)CFG_IMMR; +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Port C pins for +	 * 5 Volts Enable and 3 Volts enable, +	 * Turn all power pins to Hi-Z +	 */ +	debug ("PCMCIA power OFF\n"); +	cfg_ports ();	/* Enables switch, but all in Hi-Z */ + +	sreg  = immap->im_ioport.iop_pcdat; +	sreg |= TPS2211_VPPD0 | TPS2211_VPPD1;		/* VAVPP always Hi-Z */ + +	switch(vcc) { +	case  0: 			break;	/* Switch off		*/ +	case 33: sreg |=  TPS2211_VCCD0;	/* Switch on 3.3V	*/ +		 sreg &= ~TPS2211_VCCD1; +		 			break; +	case 50: sreg &= ~TPS2211_VCCD0;	/* Switch on 5.0V	*/ +		 sreg |=  TPS2211_VCCD1; +		 			break; +	default: 			goto done; +	} + +	/* Checking supported voltages */ + +	debug ("PIPR: 0x%x --> %s\n", +		pcmp->pcmc_pipr, +		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +	immap->im_ioport.iop_pcdat = sreg; + +#ifdef DEBUG +    { +	char *s; + +	if ((sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) { +		s = "at 3.3V"; +	} else if (!(sreg & TPS2211_VCCD0) &&  (sreg & TPS2211_VCCD1)) { +		s = "at 5.0V"; +	} else { +		s = "down"; +	} +	printf ("PCMCIA powered %s\n", s); +    } +#endif + +done: +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", +		slot+'A'); +	return (0); +} + +static void cfg_ports (void) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	ushort sreg; + +	immap = (immap_t *)CFG_IMMR; +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* +	 * Configure Port C for TPS2211 PC-Card Power-Interface Switch +	 * +	 * Switch off all voltages, assert shutdown +	 */ +	sreg = immap->im_ioport.iop_pcdat; +	sreg |=  (TPS2211_VPPD0 | TPS2211_VPPD1);	/* VAVPP => Hi-Z */ +	sreg &= ~(TPS2211_VCCD0 | TPS2211_VCCD1);	/* 3V and 5V off */ +	immap->im_ioport.iop_pcdat = sreg; + +	immap->im_ioport.iop_pcpar &= ~(TPS2211_OUTPUTS); +	immap->im_ioport.iop_pcdir |=   TPS2211_OUTPUTS; + +	debug ("Set Port C: PAR:     %04x DIR:     %04x DAT:     %04x\n", +		immap->im_ioport.iop_pcpar, +		immap->im_ioport.iop_pcdir, +		immap->im_ioport.iop_pcdat); + +	/* +	 * Configure Port B for TPS2211 PC-Card Power-Interface Switch +	 * +	 * Over-Current Input only +	 */ +	cp->cp_pbpar &= ~(TPS2211_INPUTS); +	cp->cp_pbdir &= ~(TPS2211_INPUTS); + +	debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", +		cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); +} + +#endif	/* C2MON */ + +/* ---------------------------------------------------------------------------- +   MBX board from Morotola +   ---------------------------------------------------------------------------- */ + +#if defined( CONFIG_MBX ) +#include <../board/mbx8xx/csr.h> + +/* A lot of this has been taken from the RPX code in this file it works from me. +   I have added the voltage selection for the MBX board. */ + +/* MBX voltage bit in control register #2 */ +#define CR2_VPP12       ((uchar)0x10) +#define CR2_VPPVDD      ((uchar)0x20) +#define CR2_VDD5        ((uchar)0x40) +#define CR2_VDD3        ((uchar)0x80) + +#define PCMCIA_BOARD_MSG "MBX860" + +static int voltage_set (int slot, int vcc, int vpp) +{ +	uchar reg = 0; + +	debug ("voltage_set: PCMCIA_BOARD_MSG Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		 'A' + slot, vcc / 10, vcc % 10, vpp / 10, vcc % 10); + +	switch (vcc) { +	case 0: +		break; +	case 33: +		reg |= CR2_VDD3; +		break; +	case 50: +		reg |= CR2_VDD5; +		break; +	default: +		return 1; +	} + +	switch (vpp) { +	case 0: +		break; +	case 33: +	case 50: +		if (vcc == vpp) { +			reg |= CR2_VPPVDD; +		} else { +			return 1; +		} +		break; +	case 120: +		reg |= CR2_VPP12; +		break; +	default: +		return 1; +	} + +	/* first, turn off all power */ +	MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL); + +	/* enable new powersettings */ +	MBX_CSR2 |= reg; +	debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2); + +	return (0); +} + +static int hardware_enable (int slot) +{ +	volatile immap_t *immap; +	volatile cpm8xx_t *cp; +	volatile pcmconf8xx_t *pcmp; +	volatile sysconf8xx_t *sysp; +	uint reg, mask; + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", +				  'A' + slot); + +	udelay (10000); + +	immap = (immap_t *) CFG_IMMR; +	sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); +	pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); +	cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX (_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg = PCMCIA_PGCRX (_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;	/* active low  */ +	PCMCIA_PGCRX (_slot_) = reg; +	udelay (500); + +	/* remove all power */ +	voltage_set (slot, 0, 0); +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay (10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", __LINE__, __FUNCTION__, +		  &(pcmp->pcmc_pipr), pcmp->pcmc_pipr); + +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On. +	 */ +	mask = PCMCIA_VS1 (_slot_) | PCMCIA_VS2 (_slot_); +	reg = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg, +		  (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", +		  (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); + +	if ((reg & mask) == mask) { +		voltage_set (_slot_, 50, 0); +		printf (" 5.0V card found: "); +	} else { +		voltage_set (_slot_, 33, 0); +		printf (" 3.3V card found: "); +	} + +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg = PCMCIA_PGCRX (_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;	/* active low  */ +	PCMCIA_PGCRX (_slot_) = reg; + +	udelay (250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable (int slot) +{ +	return 0;	/* No hardware to disable */ +} +#endif /* CFG_CMD_PCMCIA */ +#endif /* CONFIG_MBX */ +/* ---------------------------------------------------------------------------- */ +/* R360MPI Board								*/ +/* ---------------------------------------------------------------------------- */ + +#if defined(CONFIG_R360MPI) + +#define PCMCIA_BOARD_MSG "R360MPI" + + +static int hardware_enable(int slot) +{ +	volatile immap_t	*immap; +	volatile cpm8xx_t	*cp; +	volatile pcmconf8xx_t	*pcmp; +	volatile sysconf8xx_t	*sysp; +	uint reg, mask; + +	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	udelay(10000); + +	immap = (immap_t *)CFG_IMMR; +	sysp  = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); +	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + +	/* +	 * Configure SIUMCR to enable PCMCIA port B +	 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) +	 */ +	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */ + +	/* clear interrupt state, and disable interrupts */ +	pcmp->pcmc_pscr =  PCMCIA_MASK(_slot_); +	pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + +	/* disable interrupts & DMA */ +	PCMCIA_PGCRX(_slot_) = 0; + +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Ports A, B & C pins for +	 * 5 Volts Enable and 3 Volts enable +	 */ +	immap->im_ioport.iop_pcpar &= ~(0x0400); +	immap->im_ioport.iop_pcso  &= ~(0x0400);/* +	immap->im_ioport.iop_pcdir |= 0x0400;*/ + +	immap->im_ioport.iop_papar &= ~(0x0200);/* +	immap->im_ioport.iop_padir |= 0x0200;*/ +#if 0 +	immap->im_ioport.iop_pbpar &= ~(0xC000); +	immap->im_ioport.iop_pbdir &= ~(0xC000); +#endif +	/* remove all power */ + +	immap->im_ioport.iop_pcdat |= 0x0400; +	immap->im_ioport.iop_padat |= 0x0200; + +	/* +	 * Make sure there is a card in the slot, then configure the interface. +	 */ +	udelay(10000); +	debug ("[%d] %s: PIPR(%p)=0x%x\n", +		__LINE__,__FUNCTION__, +		&(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +	if (pcmp->pcmc_pipr & 0x00001800) { +		printf ("   No Card found\n"); +		return (1); +	} + +	/* +	 * Power On. +	 */ +	mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); +	reg  = pcmp->pcmc_pipr; +	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", +		reg, +		(reg&PCMCIA_VS1(slot))?"n":"ff", +		(reg&PCMCIA_VS2(slot))?"n":"ff"); +	if ((reg & mask) == mask) { +		immap->im_ioport.iop_pcdat &= ~(0x4000); +		puts (" 5.0V card found: "); +	} else { +		immap->im_ioport.iop_padat &= ~(0x0002); +		puts (" 3.3V card found: "); +	} +	immap->im_ioport.iop_pcdir |= 0x0400; +	immap->im_ioport.iop_padir |= 0x0200; +#if 0 +	/*  VCC switch error flag, PCMCIA slot INPACK_ pin */ +	cp->cp_pbdir &= ~(0x0020 | 0x0010); +	cp->cp_pbpar &= ~(0x0020 | 0x0010); +	udelay(500000); +#endif +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(250000);	/* some cards need >150 ms to come up :-( */ + +	debug ("# hardware_enable done\n"); + +	return (0); +} + + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + +	/* remove all power */ +	immap->im_ioport.iop_pcdat |= 0x0400; +	immap->im_ioport.iop_padat |= 0x0200; + +	/* Configure PCMCIA General Control Register */ +	PCMCIA_PGCRX(_slot_) = 0; + +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; + +	udelay(10000); + +	return (0); +} +#endif	/* CFG_CMD_PCMCIA */ + + + +static int voltage_set(int slot, int vcc, int vpp) +{ +	volatile immap_t	*immap; +	volatile pcmconf8xx_t	*pcmp; +	u_long reg; + +	debug ("voltage_set: " +		PCMCIA_BOARD_MSG +		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", +		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + +	immap = (immap_t *)CFG_IMMR; +	pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); +	/* +	 * Disable PCMCIA buffers (isolate the interface) +	 * and assert RESET signal +	 */ +	debug ("Disable PCMCIA buffers and assert RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg |=  __MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg |=  __MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	/* +	 * Configure Ports A & C pins for +	 * 5 Volts Enable and 3 Volts enable, +	 * Turn off all power +	 */ +	debug ("PCMCIA power OFF\n"); +	immap->im_ioport.iop_pcpar &= ~(0x0400); +	immap->im_ioport.iop_pcso  &= ~(0x0400);/* +	immap->im_ioport.iop_pcdir |= 0x0400;*/ + +	immap->im_ioport.iop_papar &= ~(0x0200);/* +	immap->im_ioport.iop_padir |= 0x0200;*/ + +	immap->im_ioport.iop_pcdat |= 0x0400; +	immap->im_ioport.iop_padat |= 0x0200; + +	reg = 0; +	switch(vcc) { +	case  0: 		break; +	case 33: reg |= 0x0200;	break; +	case 50: reg |= 0x0400;	break; +	default: 		goto done; +	} + +	/* Checking supported voltages */ + +	debug ("PIPR: 0x%x --> %s\n", +		pcmp->pcmc_pipr, +		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +	if (reg & 0x0200) +		immap->im_ioport.iop_pcdat &= !reg; +	if (reg & 0x0400) +		immap->im_ioport.iop_padat &= !reg; +	immap->im_ioport.iop_pcdir |=  0x0200; +	immap->im_ioport.iop_padir |=  0x0400; +	if (reg) { +		debug ("PCMCIA powered at %sV\n", +			(reg&0x0400) ? "5.0" : "3.3"); +	} else { +		debug ("PCMCIA powered down\n"); +	} + +done: +	debug ("Enable PCMCIA buffers and stop RESET\n"); +	reg  =  PCMCIA_PGCRX(_slot_); +	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */ +	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */ +	PCMCIA_PGCRX(_slot_) = reg; +	udelay(500); + +	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", +		slot+'A'); +	return (0); +} + +#endif	/* R360MPI */ + + +/* ---------------------------------------------------------------------------- */ +/* End of Board Specific Stuff							*/ +/* ---------------------------------------------------------------------------- */ + + +/* ---------------------------------------------------------------------------- */ +/* MPC8xx Specific Stuff - should go to MPC8xx directory			*/ +/* ---------------------------------------------------------------------------- */ + +/* + * Search this table to see if the windowsize is + * supported... + */ + +#define M8XX_SIZES_NO 32 + +static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = +{ 0x00000001, 0x00000002, 0x00000008, 0x00000004, +  0x00000080, 0x00000040, 0x00000010, 0x00000020, +  0x00008000, 0x00004000, 0x00001000, 0x00002000, +  0x00000100, 0x00000200, 0x00000800, 0x00000400, + +  0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff, +  0x01000000, 0x02000000, 0xffffffff, 0x04000000, +  0x00010000, 0x00020000, 0x00080000, 0x00040000, +  0x00800000, 0x00400000, 0x00100000, 0x00200000 }; + + +/* ---------------------------------------------------------------------------- */ + +static u_int m8xx_get_graycode(u_int size) +{ +	u_int k; + +	for (k = 0; k < M8XX_SIZES_NO; k++) { +		if(m8xx_size_to_gray[k] == size) +			break; +	} + +	if((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1)) +		k = -1; + +	return k; +} + +/* ------------------------------------------------------------------------- */ + +#if 0 +static u_int m8xx_get_speed(u_int ns, u_int is_io) +{ +	u_int reg, clocks, psst, psl, psht; + +	if(!ns) { + +		/* +		 * We get called with IO maps setup to 0ns +		 * if not specified by the user. +		 * They should be 255ns. +		 */ + +		if(is_io) +			ns = 255; +		else +			ns = 100;  /* fast memory if 0 */ +	} + +	/* +	 * In PSST, PSL, PSHT fields we tell the controller +	 * timing parameters in CLKOUT clock cycles. +	 * CLKOUT is the same as GCLK2_50. +	 */ + +/* how we want to adjust the timing - in percent */ + +#define ADJ 180 /* 80 % longer accesstime - to be sure */ + +	clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; +	clocks = (clocks * ADJ) / (100*1000); + +	if(clocks >= PCMCIA_BMT_LIMIT) { +		DEBUG(0, "Max access time limit reached\n"); +		clocks = PCMCIA_BMT_LIMIT-1; +	} + +	psst = clocks / 7;          /* setup time */ +	psht = clocks / 7;          /* hold time */ +	psl  = (clocks * 5) / 7;    /* strobe length */ + +	psst += clocks - (psst + psht + psl); + +	reg =  psst << 12; +	reg |= psl  << 7; +	reg |= psht << 16; + +	return reg; +} +#endif + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_IDE_8xx_PCCARD +static void print_funcid (int func) +{ +	puts (indent); +	switch (func) { +	case CISTPL_FUNCID_MULTI: +		puts (" Multi-Function"); +		break; +	case CISTPL_FUNCID_MEMORY: +		puts (" Memory"); +		break; +	case CISTPL_FUNCID_SERIAL: +		puts (" Serial Port"); +		break; +	case CISTPL_FUNCID_PARALLEL: +		puts (" Parallel Port"); +		break; +	case CISTPL_FUNCID_FIXED: +		puts (" Fixed Disk"); +		break; +	case CISTPL_FUNCID_VIDEO: +		puts (" Video Adapter"); +		break; +	case CISTPL_FUNCID_NETWORK: +		puts (" Network Adapter"); +		break; +	case CISTPL_FUNCID_AIMS: +		puts (" AIMS Card"); +		break; +	case CISTPL_FUNCID_SCSI: +		puts (" SCSI Adapter"); +		break; +	default: +		puts (" Unknown"); +		break; +	} +	puts (" Card\n"); +} +#endif	/* CONFIG_IDE_8xx_PCCARD */ + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_IDE_8xx_PCCARD +static void print_fixed (volatile uchar *p) +{ +	if (p == NULL) +		return; + +	puts(indent); + +	switch (*p) { +	case CISTPL_FUNCE_IDE_IFACE: +	    {   uchar iface = *(p+2); + +		puts ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown"); +		puts (" interface "); +		break; +	    } +	case CISTPL_FUNCE_IDE_MASTER: +	case CISTPL_FUNCE_IDE_SLAVE: +	    {   uchar f1 = *(p+2); +		uchar f2 = *(p+4); + +		puts ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]"); + +		if (f1 & CISTPL_IDE_UNIQUE) +			puts (" [unique]"); + +		puts ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]"); + +		if (f2 & CISTPL_IDE_HAS_SLEEP) +			puts (" [sleep]"); + +		if (f2 & CISTPL_IDE_HAS_STANDBY) +			puts (" [standby]"); + +		if (f2 & CISTPL_IDE_HAS_IDLE) +			puts (" [idle]"); + +		if (f2 & CISTPL_IDE_LOW_POWER) +			puts (" [low power]"); + +		if (f2 & CISTPL_IDE_REG_INHIBIT) +			puts (" [reg inhibit]"); + +		if (f2 & CISTPL_IDE_HAS_INDEX) +			puts (" [index]"); + +		if (f2 & CISTPL_IDE_IOIS16) +			puts (" [IOis16]"); + +		break; +	    } +	} +	putc ('\n'); +} +#endif	/* CONFIG_IDE_8xx_PCCARD */ + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_IDE_8xx_PCCARD + +#define MAX_IDENT_CHARS		64 +#define	MAX_IDENT_FIELDS	4 + +static uchar *known_cards[] = { +	"ARGOSY PnPIDE D5", +	NULL +}; + +static int identify  (volatile uchar *p) +{ +	uchar id_str[MAX_IDENT_CHARS]; +	uchar data; +	uchar *t; +	uchar **card; +	int i, done; + +	if (p == NULL) +		return (0);	/* Don't know */ + +	t = id_str; +	done =0; + +	for (i=0; i<=4 && !done; ++i, p+=2) { +		while ((data = *p) != '\0') { +			if (data == 0xFF) { +				done = 1; +				break; +			} +			*t++ = data; +			if (t == &id_str[MAX_IDENT_CHARS-1]) { +				done = 1; +				break; +			} +			p += 2; +		} +		if (!done) +			*t++ = ' '; +	} +	*t = '\0'; +	while (--t > id_str) { +		if (*t == ' ') +			*t = '\0'; +		else +			break; +	} +	puts (id_str); +	putc ('\n'); + +	for (card=known_cards; *card; ++card) { +		debug ("## Compare against \"%s\"\n", *card); +		if (strcmp(*card, id_str) == 0) {	/* found! */ +			debug ("## CARD FOUND ##\n"); +			return (1); +		} +	} + +	return (0);	/* don't know */ +} +#endif	/* CONFIG_IDE_8xx_PCCARD */ + +/* ------------------------------------------------------------------------- */ + +#endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */ |